Joel Grosjean@joel_grosjeanSwitzerlandFollow BadgesProblem SolvingPythonSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillWork Experiencejoel_grosjean has not updated employment details yet.Educationjoel_grosjean has not updated education details yet.